Based on data from 303 vehicles, 7,435 fuel-ups and 2,845,054 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.21 with a 0.14 MPG margin of error.

Any Engine Type 2.7L L4 GAS (11) 3.0L L6 DIESEL (220) 5.3L V8 GAS (41) 6.2L V8 GAS (31) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (56) Any Submodel SLE (4) Pro (8) Denali Ultimate (21) AT4X (24) SLT (39) Denali (57) Elevation (60) AT4 (90)

Below you can see a distribution of the fuel-ups with 58 outliers (0.77%) removed.

Following shows the average MPG of each of the 303 vehicles in the system.

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• GMC AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2023 • 45 Fuel-ups

  Property of Bill8392

• 22.8 Avg MPG

• AT4 #2

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 37 Fuel-ups

  Property of Chrome_Daddy0

• 15.9 Avg MPG

• 24 Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 16 Fuel-ups

  Property of jjuppyh

• 22.6 Avg MPG

• Big Red

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2024 • 9 Fuel-ups

  Property of Babymax25

• 21.9 Avg MPG

• My Truck

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2024 • 26 Fuel-ups

  Property of Elmoeod

• 20.8 Avg MPG

• General G

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 28 Fuel-ups

  Property of Devothekid

• 22.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 46 Fuel-ups

  Property of Thowes

• 22.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 19 Fuel-ups

  Property of jsiarto

• 13.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Jan 2025 • 21 Fuel-ups

  Property of PepeOrigel

• 17.4 Avg MPG

• Storm

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 37 Fuel-ups

  Property of rbarnett0019

• 23.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLE 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 48 Fuel-ups

  Property of tessor59

• 23.5 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 Pro 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2025 • 12 Fuel-ups

  Property of Bowdogzz

• 11.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 76 Fuel-ups

  Property of jonathan4martin

• 21.9 Avg MPG

• Breeze

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2024 • 22 Fuel-ups

  Property of Silverbee400

• 23.1 Avg MPG

• Denali

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 48 Fuel-ups

  Property of ahualoa

• 17.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Aug 2024 • 39 Fuel-ups

  Property of Chmassey83

• 17.3 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 Pro 2.7L L4 GAS Automatic 8 Speed
  Added Nov 2024 • 36 Fuel-ups

  Property of David28h

• 19.9 Avg MPG

• GMC Sierra

  2024 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jun 2024 • 24 Fuel-ups

  Property of chris15005

• 15.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 30 Fuel-ups

  Property of oldscuts

• 15.8 Avg MPG

• IceBear (GMC)

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2023 • 60 Fuel-ups

  Property of MrLouers

• 27.3 Avg MPG

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